#include <stdio.h>
 
int myStrlen(char s[]){
    int len = 0;
    // 文字列の終端 '\0' を見つけるまで繰り返す
    while (s[len] != '\0') {
        len++;
    }
    return len;
}
 
int main(){
    int len;
    char s[100];
 
    // 文字列の入力
    if (scanf("%s", s) != 1) return 0;
 
    // 自作関数の呼び出し
    len = myStrlen(s);
 
    // 結果の表示
    printf("%s -> %d\n", s, len);
 
    return 0;
}

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